无飞机滑行中，驾驶车辆行驶至STOP线时可不停车观望。
参考答案：错
He is so addicted to smoking that ______ seems to be no chance of talking him into quitting.
A．this
B．what
C．it
D．there
强制戒毒所可以组织戒毒人员参加繁重的劳动。 ( )
